Greenest ECO 5 determines the nitrate content of fresh fruits, vegetables, meat and fish, as well as the hardness of water (TDS *) and the level of background radiation. The device uses a database of 64 of the most common fruits and vegetables. The device uses a double probe for more accurate results in determining nitrate levels and water hardness. It has been developed according to the latest standards for measuring nitrates, radiation background and water hardness. The compact and lightweight device is small enough to fit in a pocket or carry in a bag. The Greentest ECO 5 high-resolution color display provides an easy-to-use interface. Touch control, intuitive interface, modern design, small size and weight, fast and accurate analysis, all make the device enjoyable and comfortable for everyday use